Hello and welcome back to the Curious Kid podcast. Have you ever used an electronic device

and it wasn't working the way it should? Maybe it was going really slow. Maybe it was frozen,

or maybe it just lost power. It could be really frustrating when that stuff happens.

But it's usually not dangerous.

This week, we are going to learn about something we all see just about every day

that is powered by electricity, and if it doesn't work, it could be really dangerous.

Any guesses what I'm talking about?

Mail bag. Mailbag!

We're one of your Patreon supporters because we love your podcast. I like when you get curious

about everything and the Great Siblings Showdown. Can you get curious about traffic lights, construction, or houses?

Parker and Alex from Chandler, Arizona.

Parker and Alex, we can't thank you enough for supporting the podcast on Patreon.

You are the first listeners to fill out the new episode topic suggestion form to let us know what you want to get curious about.

You have amazing topic suggestions and we are pumped to get curious about traffic lights for you this week.

We are going to learn so much about traffic lights.

From a very young age, we learned that green

means go and red means stop, but I've wondered how those colors were selected to mean those things.

We're going to find out in just a moment. But first, what's the question of the week?

The tallest traffic light in the world can be found in Syracuse, New York.

The question of the week is, how tall is the tallest traffic light?

While you're thinking about the answer, let's go back in time about 160 years to learn about

the history of the traffic light.

...